package com.qf.service;/*
 *保护你的大熊
 *2021/11/15
 *11:43
 */

import com.qf.dao.UserDaoImpl;
import com.qf.pojo.User;

import java.util.ArrayList;
import java.util.List;

public class UserServiceImpl implements UserService{
    @Override
    public List<User> queryUsers() {
//        System.out.println("事务控制");
//        System.out.println("日志打印");
        System.out.println("queryUser");
        return new ArrayList<User>();
    }

    @Override
    public Integer updateUser(User user) {
//        System.out.println("事务控制");
//        System.out.println("日志打印");
        System.out.println("update User");
        if(1==1) {
            throw new NullPointerException("test 空指针");
        }
        return 1;
    }

    @Override
    public Integer saveUser(User user) {
//        System.out.println("事务控制");
//        System.out.println("日志打印");
        System.out.println("Save User");
        return 1;
    }

    @Override
    public Integer deleteUser(Integer id) {
//        System.out.println("事务控制");
//        System.out.println("日志打印");
        System.out.println("delete User");
        return 1;
    }

    public void setUserDao(UserDaoImpl userDao) {
    }
}
